Healthcare provider profile · identity verified

Terrence A Doherty, MD

Family Practice · OLD LYME, CT · NPI 1255435558

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

Brand	Generic	Claims	Beneficiaries
Atorvastatin Calcium	Atorvastatin Calcium	620	159
Amlodipine Besylate	Amlodipine Besylate	589	162
Losartan Potassium	Losartan Potassium	374	104
Lisinopril	Lisinopril	313	81
Alprazolam	Alprazolam	312	69
Rosuvastatin Calcium	Rosuvastatin Calcium	296	87
Levothyroxine Sodium	Levothyroxine Sodium	279	72
Metoprolol Succinate	Metoprolol Succinate	261	80
Metformin Hcl	Metformin Hcl	203	49
Tamsulosin Hcl	Tamsulosin Hcl	200	56
Escitalopram Oxalate	Escitalopram Oxalate	184	53
Omeprazole	Omeprazole	178	56
Zolpidem Tartrate	Zolpidem Tartrate	169	44
Hydrochlorothiazide	Hydrochlorothiazide	152	45
Simvastatin	Simvastatin	147	40
Pantoprazole Sodium	Pantoprazole Sodium	133	37
Lorazepam	Lorazepam	110	25
Sertraline Hcl	Sertraline Hcl	98	28
Tramadol Hcl	Tramadol Hcl	98	21
Clonazepam	Clonazepam	92	24
Montelukast Sodium	Montelukast Sodium	92	26
Bupropion Xl	Bupropion Hcl	91	28
Gabapentin	Gabapentin	88	23
Atenolol	Atenolol	85	22
Metoprolol Tartrate	Metoprolol Tartrate	84	20
Allopurinol	Allopurinol	83	22
Albuterol Sulfate Hfa	Albuterol Sulfate	73	31
Potassium Chloride	Potassium Chloride	71	19
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	69	12
Oxycodone Hcl	Oxycodone Hcl	69	15
Furosemide	Furosemide	61	17
Prednisone	Prednisone	61	27
Alendronate Sodium	Alendronate Sodium	60	18
Meloxicam	Meloxicam	59	13
Pravastatin Sodium	Pravastatin Sodium	59	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	56	17
Clopidogrel	Clopidogrel Bisulfate	54	16
Buspirone Hcl	Buspirone Hcl	53	16
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	52	19
Ozempic	Semaglutide	50	suppressed
Pregabalin	Pregabalin	50	13
Spironolactone	Spironolactone	50	14
Fluoxetine Hcl	Fluoxetine Hcl	48	15
Diazepam	Diazepam	46	16
Azithromycin	Azithromycin	42	38
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	42	12
Duloxetine Hcl	Duloxetine Hcl	42	14
Esomeprazole Magnesium	Esomeprazole Magnesium	42	suppressed
Metformin Hcl Er	Metformin Hcl	42	13
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	41	suppressed
Celecoxib	Celecoxib	41	14
Symbicort	Budesonide/Formoterol Fumarate	40	suppressed
Xarelto	Rivaroxaban	39	suppressed
Jardiance	Empagliflozin	37	suppressed
Ramipril	Ramipril	37	suppressed
Oxycontin	Oxycodone Hcl	36	suppressed
Eliquis	Apixaban	35	11
Valsartan	Valsartan	35	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	35	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	32	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	30	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	30	suppressed
Famotidine	Famotidine	29	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	29	29
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	28	13
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	28	20
Olmesartan Medoxomil	Olmesartan Medoxomil	28	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	26	suppressed
Synthroid	Levothyroxine Sodium	26	suppressed
Amlodipine-Atorvastatin	Amlodipine/Atorvastatin	25	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	25	suppressed
Finasteride	Finasteride	25	suppressed
Lansoprazole	Lansoprazole	25	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	25	suppressed
Carvedilol	Carvedilol	22	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	21	suppressed
Fluticasone Propionate	Fluticasone Propionate	21	suppressed
Lovastatin	Lovastatin	21	suppressed
Sildenafil Citrate	Sildenafil Citrate	21	suppressed
Valacyclovir	Valacyclovir Hcl	21	13
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	21	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	21	suppressed
Citalopram Hbr	Citalopram Hydrobromide	20	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	20	suppressed
Trazodone Hcl	Trazodone Hcl	20	suppressed
Azelastine Hcl	Azelastine Hcl	18	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	18	suppressed
Ondansetron Odt	Ondansetron	18	12
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	18	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	18	suppressed
Trintellix	Vortioxetine Hydrobromide	18	suppressed
Benazepril Hcl	Benazepril Hcl	17	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	17	suppressed
Amoxicillin	Amoxicillin	16	12
Glipizide	Glipizide	16	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	16	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	16	suppressed
Propranolol Hcl	Propranolol Hcl	16	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	16	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	16	suppressed
Butalbital-Acetaminophen	Butalbital/Acetaminophen	15	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	15	14
Humalog Kwikpen U-100	Insulin Lispro	15	suppressed
Linzess	Linaclotide	15	suppressed
Morphine Sulfate Er	Morphine Sulfate	15	suppressed
Vraylar	Cariprazine Hcl	15	suppressed
Warfarin Sodium	Warfarin Sodium	15	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	14	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Colchicine	Colchicine	14	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	14	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	14	suppressed
Raloxifene Hcl	Raloxifene Hcl	14	suppressed
Diclofenac Sodium	Diclofenac Sodium	13	suppressed
Januvia	Sitagliptin Phosphate	13	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	13	suppressed
Nystatin	Nystatin	13	suppressed
Probenecid	Probenecid	13	suppressed
Breyna	Budesonide/Formoterol Fumarate	12	suppressed
Bumetanide	Bumetanide	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	12	suppressed
Fluconazole	Fluconazole	12	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	12	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Calcitonin-Salmon	Calcitonin,salmon,synthetic	11	suppressed
Donepezil Hcl	Donepezil Hcl	11	suppressed
Farxiga	Dapagliflozin Propanediol	11	suppressed
Fluticasone-Vilanterol	Fluticasone/Vilanterol	11	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	11	suppressed
Ibuprofen	Ibuprofen	11	suppressed
Incruse Ellipta	Umeclidinium Bromide	11	suppressed
Nitroglycerin	Nitroglycerin	11	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	11	suppressed
Ventolin Hfa	Albuterol Sulfate	11	suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
CMS Open Payments — General Payments	2025	2026-06-30	Original source
Medicare Part D Prescribers by Provider and Drug	2024	2026-05-06	Original source
NPPES Data Dissemination V2	current / reference data	2026-08-10	Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

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